15042905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 19903488

約数和(自身を除く): 4860583

約数列:

[1, 5, 31, 37, 43, 61, 155, 185, 215, 305, 1147, 1333, 1591, 1891, 2257, 2623, 5735, 6665, 7955, 9455, 11285, 13115, 49321, 69967, 81313, 97051, 246605, 349835, 406565, 485255, 3008581, 15042905]

約数ペア:

[(1, 15042905), (5, 3008581), (31, 485255), (37, 406565), (43, 349835), (61, 246605), (155, 97051), (185, 81313), (215, 69967), (305, 49321), (1147, 13115), (1333, 11285), (1591, 9455), (1891, 7955), (2257, 6665), (2623, 5735)]